MEASUREX 05405900 Honeywell

( Brand: Measurex ), ( Manufacturer Part Number: 05405900 )

Review MEASUREX Honeywell Used

The **Honeywell Measurex 05405900** is a high-performance, field-proven **digital pressure transmitter** designed to deliver precise and reliable measurements in demanding industrial environments. Part of Honeywell s robust Measurex line of instrumentation, this device is engineered to provide accurate differential, gauge, or absolute pressure readings across a wide range of applications, including HVAC systems, process control, and building automation. Built with Honeywell s proven **Smart Sensor Technology**, the 05405900 ensures exceptional stability, low drift, and long-term accuracy, making it an ideal choice for critical monitoring and control tasks where consistency is paramount.

Featuring a **compact, rugged housing**, the transmitter is constructed to withstand harsh conditions, including exposure to moisture, dust, and temperature fluctuations, thanks to its **IP65-rated enclosure** and wide operating temperature range of **-40 C to 85 C (-40 F to 185 F)**. Its **4-20 mA current loop output**, paired with optional **HART communication protocol**, allows for seamless integration with PLCs, DCS systems, and building management platforms, enabling advanced diagnostics, calibration, and remote monitoring. The device also supports **two-wire excitation**, simplifying wiring and reducing installation complexity while maintaining signal integrity over long distances.

The 05405900 excels in applications requiring **high repeatability and linearity**, with a standard accuracy of ** 0.25% of full scale** and an optional **0.1% of full scale** for applications demanding even greater precision. Its **adjustable zero and span calibration** capabilities, accessible via the front-panel keypad or HART communication, ensure optimal performance across varying process conditions. Additionally, the transmitter includes **built-in diagnostics**, such as self-test functions and fault detection, which help minimize downtime by alerting operators to potential issues before they escalate.

Whether deployed in **commercial HVAC systems** for energy-efficient pressure regulation, **industrial process control** for critical fluid monitoring, or **building automation** for optimized airflow management, the Honeywell Measurex 05405900 delivers unmatched reliability and performance. Its combination of **durability, precision, and smart features** makes it a trusted solution for engineers and technicians seeking a dependable pressure measurement device that enhances operational efficiency and system integrity.

### Pros and Cons of buying a Measurex 05405900 (Honeywell) Device

The **Measurex 05405900** is a thermal dispersion mass flow meter, commonly used for measuring the mass flow rate of gases in industrial applications. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **High Accuracy and Reliability**

The Measurex 05405900 is known for its precise mass flow measurement, particularly in gas applications. It uses thermal dispersion technology, which is effective for a wide range of gases, including corrosive and dirty ones, provided the conditions are within its specified limits. Its calibration and repeatability are strong points, making it suitable for critical process control.

2. **Wide Range of Applications**

This device is versatile and can be used in various industries such as oil and gas, chemical processing, power generation, and HVAC systems. It is particularly useful in applications where volumetric flow measurement is less reliable due to variations in temperature, pressure, or gas composition.

3. **Durability and Robust Construction**

Honeywell s Measurex devices are generally built to withstand harsh industrial environments. The 05405900 is designed for continuous operation, with materials that can resist corrosion and wear, depending on the specific model variant and installation conditions.

4. **Low Maintenance Requirements**

Compared to some other types of flow meters (e.g., turbine or ultrasonic), thermal dispersion meters like the Measurex 05405900 have fewer moving parts. This reduces the likelihood of mechanical failure and lowers maintenance costs over time. However, calibration checks and sensor cleaning may still be necessary periodically.

5. **Compatibility with Honeywell s Ecosystem**

If your facility already uses Honeywell s control systems or other instrumentation, integrating the Measurex 05405900 can be seamless. Honeywell s software and communication protocols (such as HART or Foundation Fieldbus) often work well together, simplifying installation and troubleshooting.

6. **Good for Dirty or Contaminated Gases**

Unlike some other flow meters (e.g., orifice plates or turbine meters), the Measurex 05405900 can handle gases with particulate contamination or minor levels of moisture, provided the sensor is appropriately sized and maintained. This makes it a practical choice for applications where cleanliness is a challenge.

7. **Compact and Easy to Install**

The device is relatively compact compared to some bulkier flow measurement solutions. Its installation typically requires minimal piping modifications, which can reduce downtime and installation costs.

8. **Energy Efficiency Monitoring**

In applications such as HVAC or combustion systems, the Measurex 05405900 can help optimize energy usage by providing accurate mass flow data. This can lead to cost savings over time by improving process efficiency.

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### **Cons**

1. **Limited to Gas Applications**

The Measurex 05405900 is designed exclusively for gas flow measurement. It cannot be used for liquids or steam, which may limit its applicability in certain processes where multiple phases are involved.

2. **Sensitivity to Operating Conditions**

While robust, the device s accuracy can be affected by fluctuations in upstream and downstream pressure, temperature, or gas composition. For example, if the gas being measured has a significantly different thermal conductivity than the one used during calibration, errors can occur. Regular recalibration may be required if conditions vary widely.

3. **Higher Initial Cost**

Compared to some simpler flow measurement technologies (e.g., orifice plates or venturi meters), the Measurex 05405900 can be more expensive upfront. The cost includes not only the meter itself but also potential calibration services, installation, and integration with existing systems.

4. **Potential for Drift Over Time**

Like all sensors, the thermal dispersion sensor in the Measurex 05405900 may experience drift due to aging, contamination, or environmental factors. While Honeywell provides tools for recalibration, this requires periodic attention to maintain accuracy.

5. **Limited Flow Range**

The device has specific lower and upper limits for flow rate measurement. If the application involves very low or very high flow rates outside the meter s rated range, it may not provide accurate readings or may require additional equipment (e.g., a bypass system).

6. **Dependence on Gas Properties**

The Measurex 05405900 assumes certain properties of the gas being measured (e.g., thermal conductivity, specific heat). If these properties change significantly (e.g., due to composition variations), the meter may require recalibration or compensation to maintain accuracy.

7. **Potential for Signal Noise**

In noisy environments (e.g., high-vibration areas), the thermal dispersion sensor may pick up interference, leading to less stable readings. Proper installation and shielding may be necessary to mitigate this issue.

8. **Vendor Lock-In with Honeywell**

While Honeywell s ecosystem is robust, relying on their products can create dependency on their support and parts. If your facility prefers multi-vendor solutions or has budget constraints, this could be a drawback.

9. **Calibration Complexity**

Calibrating the Measurex 05405900 requires specialized equipment and expertise. If your facility lacks in-house calibration capabilities, you may need to outsource this service, adding to operational costs.

10. **Environmental Limitations**

The device may not be suitable for extremely high-temperature or high-pressure applications without additional safeguards (e.g., cooling or pressure regulation). Always verify the operating conditions against the device s specifications.

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### **Conclusion**

The **Measurex 05405900** is a high-quality, reliable mass flow meter well-suited for gas applications in industrial settings where accuracy and durability are critical. Its thermal dispersion technology provides a robust solution for measuring flow in environments where volumetric methods may fail. However, its limitations such as being gas-only, sensitivity to operating conditions, and higher cost must be carefully considered before purchase.

If your application involves gas flow measurement in a stable environment with relatively consistent gas properties, and if budget and maintenance resources are available, the Measurex 05405900 is an excellent choice. For applications with highly variable conditions, liquids, or steam, alternative technologies (e.g., Coriolis meters for liquids, ultrasonic meters for gases) may be more appropriate.

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### **Recommendation**

- You require accurate mass flow measurement for gases in an industrial setting.

- Your application involves relatively stable gas properties and operating conditions.

- You have the budget for initial purchase and potential calibration/maintenance costs.

- Your facility already uses Honeywell instrumentation, simplifying integration.

- The flow rates and environmental conditions fall within the device s specified limits.

- Your application involves liquids, steam, or highly variable gas compositions.

- The flow rates are outside the meter s rated range or highly unstable.

- Cost is a major constraint, and a lower-cost solution (e.g., orifice plate) could suffice.

- Your facility prefers multi-vendor solutions or lacks expertise in Honeywell calibration.

Before purchasing, thoroughly review the device s specifications against your exact application requirements. Consult with Honeywell s technical support or a certified installer to ensure proper sizing, installation, and calibration. Additionally, factor in long-term maintenance costs and the availability of spare parts to avoid downtime. If possible, request a demonstration or pilot test to validate performance in your specific environment.

Details:

Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Part Number 05405900. Call to use a shipping service other than the ones listed.

HONEYWELL 05405900 / USED VIDEO/PRINTER PROCESSOR PC BOARD. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: 05405900 prices

• $295.00-$345.00

specifications automationjack:

• brand: Measurex
• mpn: 05405900

payments automationjack:

• wallet: Paypal
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seller automationjack:

• rating: 99.7%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 2021 34

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

returns automationjack:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer automationjack:

• started: May 2, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1

shipping automationjack:

• transit: 32-36 Days
• type: Fixed
• service: Standard
• class: Standard
• cost: $12.90

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